248spr11exam2

# 248spr11exam2 - 4(10 points Use a 4-to-1 MUX and no other...

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ECEN 248 Exam 2 Spring 2011 9:45 – 10:45 AM, March 29, 2011 Name: _______________________________________ Score: ___________________ 1. (10 points) Convert -1.25e-1 in IEEE 32-bit floating point format. The IEEE 32-bit floating point uses 8-bit excess-127 code for exponent. 2. (10 points) Convert the following 32-bit number in IEEE format to decimal: 0100 0001 1101 1000 0000 0000 0000 0000

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3. (10 points) Convert the following numbers to 8-bit binary and perform addition/subtraction in 2’s complement: -30 + 44 _______________________ ____________________________ ____________________________ 27 – 32 _________________________

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Unformatted text preview: ______________________________ ______________________________ 4. (10 points) Use a 4-to-1 MUX, and no other gates, to implement function F = x 1 x 2 x 3 ’+x 1 x 2 ’x 3 +x 2 ’x 3 ’ 5. (15 points) Use minimum number of two-input LUTs to implement function F= x 1 x 3 + x 2 . You must show the look up tables to receive full credit. 6. (15 points) Write Verilog code for an 4-to-2 priority encoder PRIORITY(W, Y, Z) 7. (15 points) Use a T-flip-flop, plus additional gates, to implement a D flip-flop. 8. (15 points) Show the waveform the following circuit. The initial value of Q is 1....
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## This note was uploaded on 11/10/2011 for the course ECEN 248 taught by Professor Lu during the Spring '08 term at Texas A&M.

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248spr11exam2 - 4(10 points Use a 4-to-1 MUX and no other...

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